5266220138 has 8 divisors (see below), whose sum is σ = 8112825732. Its totient is φ = 2561944896.

The previous prime is 5266220129. The next prime is 5266220143. The reversal of 5266220138 is 8310226625.

It can be written as a sum of positive squares in 2 ways, for example, as 5207498569 + 58721569 = 72163^2 + 7663^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 5266220098 and 5266220107.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35582495 + ... + 35582642.

Almost surely, 2^5266220138 is an apocalyptic number.

5266220138 is a deficient number, since it is larger than the sum of its proper divisors (2846605594).

5266220138 is a wasteful number, since it uses less digits than its factorization.

5266220138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71165176.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 5266220138 is about 72568.7269972403. The cubic root of 5266220138 is about 1739.8013753545.

The spelling of 5266220138 in words is "five billion, two hundred sixty-six million, two hundred twenty thousand, one hundred thirty-eight".